Alexandra M. Z. Slawin
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View article: N,N′-Di(p-tolyl)-1,4-benzoquinonediimine (N,N′-Di-p-tolylcyclohexa-2,5-diene-1,4-diimine)
N,N′-Di(p-tolyl)-1,4-benzoquinonediimine (N,N′-Di-p-tolylcyclohexa-2,5-diene-1,4-diimine) Open
The title compound has been fully characterised using 1H and 13C NMR spectroscopy, which reveals (E) to (Z) isomerisation upon dissolution. In the solid state, X-ray diffraction shows exclusively the (E)-isomer with two geometrically near-…
View article: CCDC 2449908: Experimental Crystal Structure Determination
CCDC 2449908: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: X-Ray Structures of Some Heterocyclic Sulfones
X-Ray Structures of Some Heterocyclic Sulfones Open
1,4-Thiazine S,S-dioxide 1, the cis- and trans-isomers 2 and 3 of its precursor 2,6-diethoxy-1,4-oxathiane S,S-dioxide, and diethyl 2,3-dihydro-1,4-thiazine-3,5-dicarboxylate S,S-dioxide 4 have been fully characterised, both in solution by…
View article: Advancing intercalation strategies in layered hybrid perovskites by bringing together synthesis and simulations
Advancing intercalation strategies in layered hybrid perovskites by bringing together synthesis and simulations Open
View article: Cycloadditions as a Sweet Route to ‘Double C-Glycosylation’
Cycloadditions as a Sweet Route to ‘Double C-Glycosylation’ Open
Pharmaceuticals, such as the antibiotic erythromycin, and sodium-dependent glucose transporter (SGLT1 & SGTL2) inhibitors such as Bexagliflozin (diabetes) and Sotagliflozin (heart disease), are often sugar-decorated (glycosylated). Glycosy…
View article: Organosolv processing of Sitka spruce sawdust: large scale preparation of native-like lignin and lignin <sup>OX</sup> for valorisation
Organosolv processing of Sitka spruce sawdust: large scale preparation of native-like lignin and lignin <sup>OX</sup> for valorisation Open
Controlled oxidation of lignin from Sitka spruce.
View article: [3+2] Cycloaddition to a Chiral 5-Methylene-1,3-dioxolan-4-one and Pyrolysis of the Spiro Adducts
[3+2] Cycloaddition to a Chiral 5-Methylene-1,3-dioxolan-4-one and Pyrolysis of the Spiro Adducts Open
The [3+2] cycloaddition chemistry of (2S)-5-methylene-2-t-butyl-1,3-dioxolan-4-one, derived from lactic acid, has been examined, and spiro adducts have been obtained with benzonitrile oxide, acetonitrile oxide, diazomethane and diphenyldia…
View article: Facile, Reversible Hydrogen Activation by Low-Coordinate Magnesium Oxide Complexes
Facile, Reversible Hydrogen Activation by Low-Coordinate Magnesium Oxide Complexes Open
New approaches to achieve facile and reversible dihydrogen activation are of importance for synthesis, catalysis, and hydrogen storage. Here we show that low-coordinate magnesium oxide complexes [{(RDipnacnac)Mg}2(μ-O…
View article: EtIDip (EtIPr)—Synthesis, Characterisation and Reactivity of a Robust, Backbone-Modified N-Heterocyclic Carbene and Group 13 Element Complexes
EtIDip (EtIPr)—Synthesis, Characterisation and Reactivity of a Robust, Backbone-Modified N-Heterocyclic Carbene and Group 13 Element Complexes Open
We report the synthesis, characterisation and reactivity of the stable imidazol-2-ylidene EtIDip (EtIPr), {EtCN(Dip)}2C:, Dip = 2,6-iPr2C6H3, as a chemically robust alternative to IDip (IPr), {HCN(Dip)}2C:. The N-heterocyclic carbene EtIDi…
View article: Isothiourea-catalysed enantioselective synthesis of phosphonate-functionalised β-lactones
Isothiourea-catalysed enantioselective synthesis of phosphonate-functionalised β-lactones Open
An isothiourea-catalysed formal [2 + 2] cycloaddition of alkyl- and aryl substituted C(1)-ammonium enolates and α-ketophosphonates gives phosphonate functionalised β-lactones with high enantioselectivity.
View article: Deep-red to NIR solution-processed OLEDs of donor-decorated quinoxaline-based TADF aggregates
Deep-red to NIR solution-processed OLEDs of donor-decorated quinoxaline-based TADF aggregates Open
Deep-red to near-infrared quinoxaline-containing donor–acceptor TADF emitters have been developed for solution-processed OLEDs.
View article: In-Cage Recombination Facilitates the Enantioselective Organocatalytic [1,2]-Rearrangement of Allylic Ammonium Ylides
In-Cage Recombination Facilitates the Enantioselective Organocatalytic [1,2]-Rearrangement of Allylic Ammonium Ylides Open
The [1,2]-rearrangement of allylic ammonium ylides is traditionally observed as a competitive minor pathway alongside the thermally allowed [2,3]-sigmatropic rearrangement. Concerted [1,2]-rearrangements are formally forbidden, with these …
View article: Ethyl 4H-Pyran-4-one-2-carboxylate
Ethyl 4H-Pyran-4-one-2-carboxylate Open
The title compound was characterised for the first time by 13C NMR, including the determination of CH coupling constants, and its X-ray structure was determined, showing double ribbons of molecules in the crystal held together by weak CH t…
View article: Deep-red to NIR Solution-Processed OLEDs of Donor-Decorated Quinoxaline-based TADF Aggregates
Deep-red to NIR Solution-Processed OLEDs of Donor-Decorated Quinoxaline-based TADF Aggregates Open
We report the use of an extended -conjugated electron-deficient “pyrazino[2,3-g]quinoxaline (PQ)” as a strong, planar acceptor in a donor-acceptor thermally activated delayed fluorescence emitter design to achieve deep-red to NIR emission.…
View article: Ammonium Oxathioamidate
Ammonium Oxathioamidate Open
Ammonium oxathioamidate (1) was synthesised by the reaction between O-ethyl-thioxamate (oxalic acid-1-amide-2-O-ethyl ester) and ammonium hydrogen carbonate in water solution. Compound 1 was fully characterised by both microanalytical (ele…
View article: Antifungal, antibacterial and DNA binding profile of three novel Zn(II), Cd(II) and Hg(II) complexes of a pyrazole-based Schiff-base ligand: Synthesis, crystal structures, DFT studies and spectroscopic investigation
Antifungal, antibacterial and DNA binding profile of three novel Zn(II), Cd(II) and Hg(II) complexes of a pyrazole-based Schiff-base ligand: Synthesis, crystal structures, DFT studies and spectroscopic investigation Open
View article: Tin(IV) Complexes With 2‐Formylpyridine Thiosemicarbazones: Structural and Cytotoxic Activity Studies on Bacterial, Fungal, and Cancer Cells
Tin(IV) Complexes With 2‐Formylpyridine Thiosemicarbazones: Structural and Cytotoxic Activity Studies on Bacterial, Fungal, and Cancer Cells Open
Tin complexes, Sn(IV)‐TSC 1·MeOH and Sn(IV)‐TSC 2 , with thiosemicarbazones possessing an N 2 S ligation system [ TSC 1 = 4‐(4‐nitrophenyl)‐1‐((pyridin‐2‐yl)methylene)thiosemicarbazide and TSC 2 = 4‐(2‐methoxyphenyl)‐1‐((pyridin‐2‐yl)methy…
View article: Integration of Open Metal Sites in an Amino-Functionalized Sm(III)–Organic Framework toward Enhanced Third-Order Nonlinear Optical Property
Integration of Open Metal Sites in an Amino-Functionalized Sm(III)–Organic Framework toward Enhanced Third-Order Nonlinear Optical Property Open
A variety of new inorganic and organic materials have emerged to advance laser technologies and optical engineering. A rational design approach can contribute significantly to fabricating nonlinear optically active metal-organic frameworks…
View article: A Well‐Defined Magnesium Complex of C<sub>70</sub><sup>6−</sup>
A Well‐Defined Magnesium Complex of C<sub>70</sub><sup>6−</sup> Open
Controlling and understanding charge state and metal coordination in carbon nanomaterials is crucial to harnessing their unique properties. Here we describe the synthesis of the well‐defined fulleride complex [{( Mes nacnac)Mg} 6 C 70 ], 2…
View article: Dichloro-μ2,μ2-naphthalene-1,8-diyl-bis(N,N,N′,N′-tetramethylethylenediamino)tetracopper(I)
Dichloro-μ2,μ2-naphthalene-1,8-diyl-bis(N,N,N′,N′-tetramethylethylenediamino)tetracopper(I) Open
A highly reactive dicuprate/CuCl aggregate, Nap(Cu4Cl2)(TMEDA)2 (2, Nap = naphthalene-1,8-diyl, TMEDA = tetramethylethylenediamine), was synthesized by the reaction of 1,8-dilithionaphthalene(TMEDA)2 with four equivalents of CuCl. The X-ra…
View article: Antifungal and antibacterial activity of two new Ni(II) complexes of a pyrazole-appended thiophene containing bidentate schiff-base ligand: Synthesis, spectroscopy and crystal structures
Antifungal and antibacterial activity of two new Ni(II) complexes of a pyrazole-appended thiophene containing bidentate schiff-base ligand: Synthesis, spectroscopy and crystal structures Open
View article: Anticancer, antimicrobial and photocatalytic activities of a new pyrazole containing thiosemicarbazone ligand and its Co(III) and Ni(II) complexes: Synthesis, spectroscopic characterization and X-ray crystallography
Anticancer, antimicrobial and photocatalytic activities of a new pyrazole containing thiosemicarbazone ligand and its Co(III) and Ni(II) complexes: Synthesis, spectroscopic characterization and X-ray crystallography Open
View article: Bringing Together Synthesis and Simulations: Advancing Intercalation Strategies in Layered Hybrid Perovskites
Bringing Together Synthesis and Simulations: Advancing Intercalation Strategies in Layered Hybrid Perovskites Open
Finding new, innovative ways to modify the electronic structure of halide perovskites is desireable as they have applications in a variety of devices, from photovoltaics to LEDs. Additionally, designing new, functional materials can be fac…
View article: Synthesis and Structural Studies of peri-Substituted Acenaphthenes with Tertiary Phosphine and Stibine Groups
Synthesis and Structural Studies of peri-Substituted Acenaphthenes with Tertiary Phosphine and Stibine Groups Open
Two mixed peri-substituted phosphine-chlorostibines, Acenap(PiPr2)(SbPhCl) and Acenap(PiPr2)(SbCl2) (Acenap = acenaphthene-5,6-diyl) reacted cleanly with Grignard reagents or nBuLi to give the corresponding tertiary phosphine-stibines Acen…
View article: A Boron, Nitrogen, and Oxygen Doped π‐Extended Helical Pure Blue Multiresonant Thermally Activated Delayed Fluorescent Emitter for Organic Light Emitting Diodes That Shows Fast <i>k</i><sub>RISC</sub> Without the Use of Heavy Atoms
A Boron, Nitrogen, and Oxygen Doped π‐Extended Helical Pure Blue Multiresonant Thermally Activated Delayed Fluorescent Emitter for Organic Light Emitting Diodes That Shows Fast <i>k</i><sub>RISC</sub> Without the Use of Heavy Atoms Open
Narrowband emissive multiresonant thermally activated delayed fluorescence (MR‐TADF) emitters are a promising solution to achieve the current industry‐targeted color standard, Rec. BT.2020‐2, for blue color without using optical filters, a…
View article: 1,4-Diiodotetrafluorobenzene 3,5-di-(pyridin-4-yl)-1,2,4-thiadiazole <1/1>
1,4-Diiodotetrafluorobenzene 3,5-di-(pyridin-4-yl)-1,2,4-thiadiazole <1/1> Open
The reactivity of 3,5-di-(pyridin-4-yl)-1,2,4-thiadiazole (L1) with 1,4-diiodotetrafluorobenzene (1,4-DITFB) was explored and the halogen-bonded 1:1 co-crystal (1) was successfully isolated and structurally characterized.
View article: Synthesis, Spectroscopy, X-ray Structures, DNA Binding and Photocatalytic Properties of Two Ni(II) and Co(II) Complexes of a Pyrazolyl Schiff-base Ligand
Synthesis, Spectroscopy, X-ray Structures, DNA Binding and Photocatalytic Properties of Two Ni(II) and Co(II) Complexes of a Pyrazolyl Schiff-base Ligand Open
Two new nickel(II) and cobalt(II) complexes, [Ni(MPAFA)3](BF4)2 (I) and [Co(MPAFA)3](BF4)2 (II) were synthesized from a pyrazole containing ‘NN’ bidentate Schiff-base ligand, N-(furan-2-ylmethyl)-1-(5-methyl-1H-pyrazol-3-yl)methanimine, (M…
View article: 1,4-Diiodotetrafluorobenzene 3,5-Di-(Pyridin-4-Yl)-1,2, 4-Thiadiazole
1,4-Diiodotetrafluorobenzene 3,5-Di-(Pyridin-4-Yl)-1,2, 4-Thiadiazole Open
The reactivity of 3,5-di-(pyridin-4-yl)-1,2,4-thiadiazole (L1) with 1,4-diiodotetrafluorobenzene (1,4-DITFB) was explored and the halogen-bonded 1:1 co-crystal (1) was successfully isolated and structurally characterized.
View article: Multi‐Responsive Thermally Activated Delayed Fluorescence Materials: Optical ZnCl<sub>2</sub> Sensors and Efficient Green to Deep‐Red OLEDs
Multi‐Responsive Thermally Activated Delayed Fluorescence Materials: Optical ZnCl<sub>2</sub> Sensors and Efficient Green to Deep‐Red OLEDs Open
Thermally activated delayed fluorescence (TADF) is an emission mechanism whereby both singlet and triplet excitons can be harvested to produce light. Significant attention is devoted to developing TADF materials for organic light‐emitting …
View article: Rational molecular design of efficient yellow-red dendrimer TADF for solution-processed OLEDs: a combined effect of substitution position and strength of the donors
Rational molecular design of efficient yellow-red dendrimer TADF for solution-processed OLEDs: a combined effect of substitution position and strength of the donors Open